Home / 828,892.08-1,243,338.12-548,343.72

Finding the Fourth Proportional to 828,892.08, 1,243,338.12 and 548,343.72

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Solution

The fourth proportional to 828,892.08, 1,243,338.12 and 548,343.72 is: 822,515.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,892.08 : 1,243,338.12 = 548,343.72 : x
  2. Step 2: Convert to fraction form
    828,892.08/1,243,338.12 = 548,343.72/x
  3. Step 3: Cross multiply
    828,892.08x = 1,243,338.12 × 548,343.72
  4. Step 4: Simplify right side
    828,892.08x = 681,776,649,938.61
  5. Step 5: Solve for x
    x = 681,776,649,938.61/828,892.08
  6. Step 6: Final answer
    x = 822,515.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.